1 Index: linux-2.6.22.5/fs/dcache.c
2 ===================================================================
3 --- linux-2.6.22.5.orig/fs/dcache.c 2007-08-22 17:23:54.000000000 -0600
4 +++ linux-2.6.22.5/fs/dcache.c 2008-02-21 00:56:09.000000000 -0700
6 spin_unlock(&dcache_lock);
10 + /* network invalidation by Lustre */
11 + if (dentry->d_flags & DCACHE_LUSTRE_INVALID) {
12 + spin_unlock(&dcache_lock);
17 * Check whether to do a partial shrink_dcache
18 * to get rid of unused child entries.
19 @@ -1441,13 +1448,22 @@
20 * Adds a dentry to the hash according to its name.
23 -void d_rehash(struct dentry * entry)
24 +void d_rehash_cond(struct dentry * entry, int lock)
26 - spin_lock(&dcache_lock);
28 + spin_lock(&dcache_lock);
29 spin_lock(&entry->d_lock);
31 spin_unlock(&entry->d_lock);
32 - spin_unlock(&dcache_lock);
34 + spin_unlock(&dcache_lock);
37 +EXPORT_SYMBOL(d_rehash_cond);
39 +void d_rehash(struct dentry * entry)
41 + d_rehash_cond(entry, 1);
45 Index: linux-2.6.22.5/include/linux/dcache.h
46 ===================================================================
47 --- linux-2.6.22.5.orig/include/linux/dcache.h 2007-08-22 17:23:54.000000000 -0600
48 +++ linux-2.6.22.5/include/linux/dcache.h 2008-02-21 00:56:09.000000000 -0700
51 #define DCACHE_REFERENCED 0x0008 /* Recently used, don't discard. */
52 #define DCACHE_UNHASHED 0x0010
53 +#define DCACHE_LUSTRE_INVALID 0x0040 /* Lustre invalidated */
55 #define DCACHE_INOTIFY_PARENT_WATCHED 0x0020 /* Parent inode is watched by inotify */